↓この書き込みで報告あるように、google検索のAIの項目でCPU負荷100%になる問題がある
google ai mode tabs on Firefox increase cpu usage percentage up to 28% compared to 0/0.1% on edge and presumably other browsers
https://www.reddit.com/r/firefox/comments/1sofmc5/google_ai_mode_tabs_on_firefox_increase_cpu_usage/?solution=792f79fd6bc9ae47792f79fd6bc9ae47&js_challenge=1&token=7afd7253fec22262ff1c52b1703fe9ec60ebf8b0ada04d0777235014ea3a6923&jsc_orig_r=&tl=ja